HSI series :350w-1200w hybrid solar inverter with dc to ac

Weight comparison of high frequency inverter and power frequency inverter

The power frequency inverter of the same power inverter is much heavier than the high frequency inverter. The high frequency inverter is small in size, light in weight, high in efficiency and low in no-load load, but cannot be connected to a full-load inductive load, and Poor overload capability.

Comparison of working principles of high frequency inverter and power frequency inverter

The high-frequency inverter circuit is more complicated, and the high-frequency inverter is usually composed of IGBT high-frequency rectifier, battery converter, inverter and bypass. The IGBT can be turned on and off by controlling the drive applied to the gate. The switching frequency of the IGBT rectifier is usually several kilohertz to tens of kilohertz, even as high as hundreds of kilohertz, which is much higher than the power frequency inverter. Therefore it is called a high frequency inverter.

The power frequency inverter is designed based on the traditional analog circuit principle and consists of a thyristor (SCR) rectifier, an IGBT inverter, a bypass and a power frequency step-up isolation transformer. Because the working frequency of the rectifier and the transformer are both the power frequency of 50Hz, as the name suggests, it is called the power frequency inverter.

dc to ac hybrid solar inverter